Nathan Ambrosio, ED.D. LCSW
NPI 1356132948 · Clinical Social Worker · Ontario, CA
Nathan Ambrosio, ED.D. LCSW is a Clinical Social Worker provider in Ontario, CA (NPI 1356132948).
Provider details
- NPI number
- 1356132948
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ED.D. LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 130095 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-05-14
- Last updated
- 2025-05-14
- Certified
- 2025-05-14
Frequently asked questions
- What is Nathan Ambrosio's NPI number?
- Nathan Ambrosio's National Provider Identifier (NPI) is 1356132948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Ambrosio's specialty?
- Nathan Ambrosio is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nathan Ambrosio located?
- Nathan Ambrosio's practice location on file with NPPES is 1101 S Milliken Ave Ste E, Ontario, CA 91761-8112.
- What is Nathan Ambrosio's phone number?
- The practice phone number listed in the NPPES registry for Nathan Ambrosio is (949) 232-5402.
- Is Nathan Ambrosio's NPI active?
- Yes — Nathan Ambrosio's NPI (1356132948) is active in the NPPES registry as of the last update on 2025-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.